Aside from his Go board that's basically all Cao Pi has to his person - his clothes and weapon. Better his sword than Rosinante's grenade indeed. He makes a bit of a face. "I glanced around that area, but I did not think of the connection so it warrants a much closer look."

Turning on his heel, he leaves it to his tall buddy to follow along if he wishes. Just having an idea is invigorating, it gives him a goal.